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Interhemispheric Asymmetry and Personality Traits of Brain-Computer Interface Users in Hand Movement Imagination.

E V Bobrova¹, V V Reshetnikova², E A Vershinina²

¹Pavlov Institute of Physiology, Russian Academy of Sciences, 199034, St. Petersburg, Russia. eabobrovy@gmail.com.

Doklady Biological Sciences : Proceedings of the Academy of Sciences of the USSR, Biological Sciences Sections

|January 24, 2021

Summary

Personality influences brain-computer interface (BCI) control success. Extroverts excel at right-hand imagined movements, while reserved individuals perform better with left-hand imagined movements in BCI tasks.

Keywords:

brain–computer interfaces interhemispheric asymmetry personality traits

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Area of Science:

Neuroscience
Human-Computer Interaction
Psychology

Background:

Personality traits can impact brain-computer interface (BCI) control efficacy.
Interhemispheric brain activity differences may correlate with personality and BCI performance.

Purpose of the Study:

To investigate the association between user personality traits and brain-computer interface control success.
To explore how interhemispheric asymmetry relates to BCI performance based on personality.

Main Methods:

EEG signal recognition accuracy was assessed during imagined hand movements versus rest.
The study analyzed the correlation between personality characteristics and BCI control success in naive users.

Main Results:

Higher recognition success for right-hand (RH) imagined movements was observed in expressive, sensitive extroverts.
Practical, reserved, and skeptical individuals showed higher success in imagining left-hand (LH) movements.

Conclusions:

Personality traits are linked to differential success in BCI control of imagined hand movements.
Interhemispheric differences in dopamine levels and movement encoding may underlie these observed personality-dependent BCI effects.